Astro Navigation Demystified

Altitude Correction for Semi-Diameter September 14, 2015 - (0)
An adjustment for semi-diameter is one of the corrections that may have to be made to the sextant altitude in order to calculate the True Altitude. Corrections For The Moon’s Semi-Diameter. The point on the Moon’s circumference nearest to the horizon is called the lower limb and the point furthest from the horizon is called the […]
Converting GMT To GHA August 7, 2015 - (0)
The Role Of Altitude, Azimuth And Zenith Distance In Astro Navigation. July 19, 2015 - (0)
The Ecliptic, The Age of Aquarius and the Tropics. July 2, 2015 - (0)
First Point of Aries. June 15, 2015 - (0)

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